# C# Program to Add Two Matrices

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This is a C# Program to perform matrix addition.

Problem Description

This C# Program Performs Matrix Addition.

Problem Solution

The dimensions of the two matrices are obtained from the user and its addition is performed by adding corresponding elements.

Program/Source Code

Here is source code of the C# Program to Perform Matrix Addition. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

```/*
* C# Program to Perform Matrix Addition
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication8
{
class Program
{
public static void Main(string[] args)
{
int m, n,i,j;
Console.Write("Enter Number Of Rows And Columns Of Matrices A and B : ");
int[,] A = new int[10, 10];
Console.Write("\nEnter The First Matrix : ");
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
}
}

int[,] B = new int[10, 10];
Console.Write("\nEnter The Second Matrix:");
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
}
}
Console.Clear();
Console.WriteLine("\nMatrix A : ");
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
Console.Write(A[i, j] + "\t");

}
Console.WriteLine();
}
Console.WriteLine("\nMatrix B: ");
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
Console.Write(B[i, j] + "\t");

}
Console.WriteLine();
}
int[,] C = new int[10, 10];
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
C[i, j] = A[i, j] + B[i, j];
}
}
Console.Write("\nSum Matrix :");
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
Console.Write(C[i, j] + "\t");

}
Console.WriteLine();
}
}
}
}```
Program Explanation

This C# program, we are reading the number of rows and columns for matrices A and B using ‘m’ and ‘n’ variables respectively. Using for loop we are entering the coefficient element values for both the matrix A and B using A[i,j] and B[i,j] array variables respectively.

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Another c[] array variable is used to compute the addition of the matrix A and matrix B. Using for loop compute the addition of each element in both the matrix A and B and print the values.

Runtime Test Cases
```
Enter Number Of Rows And Columns Of Matrices A and B : 3  3
Enter the First Matrix :
1 2 3
2 3 4
3 4 5
Enter the Second Matrix :
1 2 3
2 1 4
1 1 5
Matrix A :
1 2 3
2 3 4
3 4 5
Matrix B :
1 2 3
2 1 4
1 1 5
Sum Matrix :
2 4 6
4 4 8
4 5 10```

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